WAEC Chemistry 2011 Objective — Question 9
Question 9 of 50 from the West African Examinations Council (WAEC) Chemistry 2011 Objective paper, with the correct answer and a full explanation.
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Which of the following hydrohalic acids is the weakest?
- A. A. HBr
- B. B. HCl
- C. C. HFCorrect
- D. D. HI
Explanation
The order of increasing acid strength is HF < HCl < HBr < HI, so HF is the weakest hydrohalic acid.
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